Bartosz Knapik
Staff Software Engineer at Castle
Krakow, Lesser Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolBartosz Knapik is a Senior Software Engineer based in Krakow with 12 years of professional experience specializing in Ruby on Rails and JavaScript/AngularJS. He combines hands-on engineering at Castle Intelligence with entrepreneurial experience as the founder of CodingStation, demonstrating both product-minded development and team leadership. His background includes CTO and senior engineering roles at fast-moving startups, where he focused on building reliable web applications and mentoring engineering teams. Trained with a Master of Computer Science from AGH University of Krakow, he brings deep Rails expertise alongside front-end skills that bridge legacy AngularJS apps and modern stacks. Notably, his career roots date back to early web and ActionScript work, giving him practical perspective on long-lived codebases and incremental modernization.
12 years of coding experience
24 years of employment as a software developer
Master of Computer Science Automatics and Robotics, Computer Science, Master of Computer Science Automatics and Robotics, Computer Science at AGH University of Krakow
English, Ukrainian, Polish
Stackoverflow
1reputation
0reached
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Github Skills (128)
devise10
multiselect10
autocomplete10
authentication10
modals10
ruby10
analyticsjs10
segment10
token-based-authentication10
api10
sdk10
datepicker10
popover10
json-api10
daterangepicker10
Programming languages (12)
Github contributions (5)
castle/avromatic
Feb 2023 - Jul 2025
Generate Ruby models from Avro schemas
Contributions:11 reviews, 6 PRs, 14 pushes in 2 years 5 months
castle/castle-cloudflare-worker-sample
Feb 2021 - May 2022
Castle Cloudflare Worker Sample
Contributions:10 reviews, 12 PRs, 12 pushes in 1 year 3 months
cloudflare-workercloudflarecastleworkercloudflare-workers
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